DE405 Lunar Ephemeris Calculator Spanning the 600-Year Period From 1600 to 2200 on the Modern Gregorian Calendar PHP Program by Jay Tanner - Based on the NASA/JPL DE405 Ephemeris Model
Calendar Date Year / Month / Day	Time hh:mm:ss	Date/Time Mode LT | UT | TT	Local Time Zone Offset From UT ±hh:mm (Neg/Pos  =  West/East)
			Local Time (LT) =  UT
Default Location:  America/New_York - Your Local Latitude, Lonitude and Time Zone May be Different
Geographic Location Used For Local Topocentric Computations			313.8099 deg
Latitude Deg.ddd or DMS (Neg=S)	Longitude Deg.ddd or DMS (Neg=W)	Sea-Level Elevation meters
QUICK DE405 LUNAR EPHEMERIS STATISTICS ---------------------------- DATE/TIME/MODE/ZONE/LOCATION Date = 2025 Sep 17 Wed Time = 17:43:12 LT Time Zone = UT-04:00 Delta T = +00:01:15 Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m JD TT = 2460936.40586806 = Working Julian Date on TT scale Phase Angle = 313.8099 deg Visual Phase = Waning crescent moon Horizon Altitude = -2.816° BELOW local horizon - Descending in WNW Direction Azimuth = 301.512° = WNW (N=0, E=90, S=180, W=270) ====================================================================== TIME LT LOCAL BASIC EVENTS SCHEDULE FOR DATE -------- ------------------------------------ 01:59 Moonrise - Waning crescent moon 06:50 Sunrise 17:30 Moonset 19:12 Sunset ====================================================================== GEOCENTRIC LUNAR COORDINATES AND DISTANCE Right Ascension = 08h 49m 45.749s = 8.8293746 h = 132.440619° Declination = +21° 13' 11.85" = +21.219958° Distance = 238572.824 mi = 383945.743 km Angular Diameter = 31' 07.49" = 31.12475' = 1867.48" = 0.5187458° Eq. Horiz. Parallax = 57' 06.65" = 0.9518460° = 57.11076' = 3426.65" Local Hour Angle = +07h 35m 42.00s = +7.5949990 h = +113.9249850° ----------------------------- TOPOCENTRIC LUNAR COORDINATES Right Ascension = 08h 47m 01.698s = 8.7838050 h = 131.7570750° Declination = +20° 31' 04.24" = +20.517845° Radial Velocity = +145.62 km/h = +90.48 mi/h = Receding from Earth Orbital Velocity = 3687.56 km/h = 2291.35 mi/h SEPTEMBER 2025 - Lunar Quarter Phases, Apogees and Perigees For Time Zone UT-04:00 Applied NASA Delta T = +00:01:15 Date and Time LT Lunar Event --------------------- ----------------------------------- 2025 Sep 07 Sun 14:09 Full Moon = Phase 180 2025 Sep 10 Wed 08:09 Perigee 226662.15 mi = 364777.37 km 2025 Sep 14 Sun 06:33 Last Quarter Moon = Phase 270 2025 Sep 21 Sun 15:54 New Moon = Phase 0/360 2025 Sep 26 Fri 05:46 Apogee 251995.57 mi = 405547.57 km 2025 Sep 29 Mon 19:54 First Quarter Moon = Phase 90
EXTENDED DE405 LUNAR EPHEMERIS STATISTICS AND HOURLY TABLE Time Mode = LT Time Zone = UT-04:00 ---------------------------------------------------------- CALENDAR DATE TIME JULIAN DATE JD NUMBER --------------- ----------- ---------------- ----------- 2025 Sep 17 Wed 17:43:12 LT 2460936.23833333 2460936 LT -04:00:00 TZ -0.16666667 2025 Sep 17 Wed 21:43:12 UT 2460936.40500000 2460936 UT +00:01:15 dT +0.00086806 2025 Sep 17 Wed 21:44:27 TT 2460936.40586806 2460936 TT JD TT = 2460936.40586806 = Working Julian Date on TT scale Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m ----------- EARTH GEOID ρ × sin(φ') = +0.6743577407 ρ × cos(φ') = +0.7363265249 ---------------------- APPARENT SIDEREAL TIME Greenwich 21h 32m 45.27s = 21.5459077 h = 323.1886156 deg Local 16h 25m 27.75s = 16.4243736 h = 246.3656045 deg ================================================================= LUNAR POSITION, DISTANCE, PHASE AND LOCAL SUN/MOON RISE/SET TIMES Date = 2025 Sep 17 Wed Time = 17:43:12 LT Time Zone = UT-04:00 Delta T = +00:01:15 JD TT = 2460936.40586806 GEOGRAPHIC LOCATION Latitude = +42.6764593 deg N = +42° 40' 35.25" Longitude = -76.8230111 deg W = -76° 49' 22.84" = -05h 07m 17.52s Elevation = +0.0 m GEOCENTRIC LUNAR COORDINATES Right Ascension = 08h 49m 45.749s = 8.8293746 h = 132.440619° Declination = +21° 13' 11.85" = +21.219958° Distance = 238572.824 mi = 383945.743 km Phase Angle = 313.80987° Visual Phase = Waning crescent moon Angular Diameter = 31' 07.49" = 31.12475' = 1867.48" = 0.5187458° Eq. Horiz. Parallax = 57' 06.65" = 0.9518460° = 57.11076' = 3426.65" Radial Velocity = +145.62 km/h = +90.48 mi/h = Receding from Earth Orbital Velocity = 3687.56 km/h = 2291.35 mi/h TOPOCENTRIC LUNAR COORDINATES Right Ascension = 08h 47m 01.698s = 8.7838050 h = 131.7570750° Declination = +20° 31' 04.24" = +20.517845° Horizon Altitude = -2.816° BELOW local horizon - Descending in WNW Direction Azimuth = 301.512° = WNW (N=0, E=90, S=180, W=270) Local Hour Angle = +07h 35m 42.00s = +7.5949990 h = +113.9249850° Light Time = 1.2537 sec = 1-way surface-to-surface = 2.5073 sec = 2-way surface-to-surface -------- ------------------------------------------------ TIME LT LOCAL EVENTS SCHEDULE FOR DATE 01:59 Moonrise - Waning crescent moon 06:50 Sunrise 17:30 Moonset 19:12 Sunset ----------------------------------------------------------------- HOURLY GEOCENTRIC LUNAR COORDINATES, DISTANCE AND PHASE EPHEMERIS DATE = 2025 Sep 17 Wed LT TZ = UT-04:00 = Time Zone Offset From UT (Neg/Pos = West/East) dT = +00:01:15 = NASA Delta T estimate Table Origin for 00:00:00 LT of date = 2460935.66753473 TT LT hh RA Hrs Decl Deg Dist Km Dist Mi Phase Deg -- ---------- ---------- ---------- ---------- --------- -3 8.0364733 +24.656504 380926.414 236696.700 303.1780 -2 8.0759261 +24.510736 381072.035 236787.185 303.6953 -1 8.1152595 +24.362769 381217.688 236877.689 304.2122 00 8.1544731 +24.212629 381363.368 236968.211 304.7287 01 8.1935669 +24.060343 381509.072 237058.747 305.2448 02 8.2325405 +23.905935 381654.796 237149.296 305.7604 03 8.2713935 +23.749433 381800.537 237239.855 306.2756 04 8.3101261 +23.590861 381946.291 237330.422 306.7903 05 8.3487380 +23.430245 382092.055 237420.996 307.3047 06 8.3872290 +23.267611 382237.826 237511.574 307.8186 07 8.4255994 +23.102986 382383.600 237602.153 308.3320 08 8.4638491 +22.936394 382529.375 237692.734 308.8451 09 8.5019779 +22.767863 382675.147 237783.312 309.3577 10 8.5399862 +22.597417 382820.914 237873.888 309.8699 11 8.5778741 +22.425083 382966.672 237964.458 310.3817 12 8.6156417 +22.250887 383112.419 238055.021 310.8930 13 8.6532893 +22.074853 383258.152 238145.575 311.4040 14 8.6908172 +21.897008 383403.869 238236.119 311.9145 15 8.7282255 +21.717379 383549.566 238326.651 312.4246 16 8.7655147 +21.535990 383695.241 238417.169 312.9342 17 8.8026852 +21.352866 383840.891 238507.672 313.4435 18 8.8397372 +21.168035 383986.515 238598.159 313.9523 19 8.8766713 +20.981520 384132.109 238688.627 314.4607 20 8.9134880 +20.793348 384277.670 238779.074 314.9687 21 8.9501875 +20.603544 384423.197 238869.500 315.4763 22 8.9867707 +20.412133 384568.688 238959.904 315.9834 23 9.0232379 +20.219140 384714.139 239050.283 316.4902 24 9.0595898 +20.024592 384859.548 239140.636 316.9965 25 9.0958271 +19.828511 385004.913 239230.962 317.5024 26 9.1319503 +19.630923 385150.232 239321.259 318.0079 27 9.1679600 +19.431854 385295.502 239411.525 318.5130 28 9.2038571 +19.231328 385440.722 239501.761 319.0177 ======================================================================
DE405 Lunar Ephemeris Calculator - v2.95 - A PHP Astronomy Program by Jay Tanner Revised: 2022 August 27 at 12:46:14 AM Saturday